var bubu ={ s64:"14",s65:"31",s11:"20",s12:"8",s13:"44",s14:"46",s15:"184",s21:"105",s22:"44",s23:"226",s31:"4",s32:"31",s33:"33",s34:"104",s35:"90",s36:"199",s37:"86",s41:"34",s42:"70",s43:"128",s44:"392",s45:"78",s46:"50",s50:"57",s51:"167",s52:"123",s53:"154",s54:"47",s61:"57",s62:"60",s63:"11" };
var title = "2013年各地区自然保护区个数";
var unit = "个";
function getColor(d) {
    return d > 180 ? '#800026' :
           d > 130  ? '#BD0026' :
           d > 100  ? '#E31A1C' :
           d > 70  ? '#FC4E2A' :
           d > 50   ? '#FD8D3C' :
           d > 40  ? '#FEB24C' :
           d > 20   ? '#FED976' :
           d > 1   ? '#FFEDA0' :
           d < 0   ? '#000000' :
                      '#000000';
}
var vgrades = [1, 20, 40, 50, 70, 100, 130, 180];